Update mcq_test.py

mcq_test.py

@@ -104,7 +104,7 @@ def main():
     answer = st.radio(
         "Select your answer:",
         options=['A', 'B', 'C', 'D'],  # List of option keys
-        format_func=lambda x: f"{x}) {current_q['options'].get(x, 'Invalid Option')}",
+        format_func=lambda x: f"{x}) {current_q['options'].get(x, ' ')}",
         key=f"question_{st.session_state.current_question}"  # Unique key per question
     )